News
An autumnal week ahead
Cool and unsettled weather is expected throughout this week across the UK, with the windiest and wettest weather anticipated on Friday.
Read morePortelet Bay (Beach) (Guernsey) weather
Find a forecast
Forecast days
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Today. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius. Light showers changing to cloudy by late morning. Sunrise: 07:04; Sunset: 18:59. UV: Moderate; Pollution: Low; No pollen data.
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Wednesday 28 September. Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: 07:05; Sunset: 18:57. UV: Moderate; Pollution: Low; No pollen data.
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Thursday 29 September. Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius. Partly cloudy changing to light showers by late morning. Sunrise: 07:07; Sunset: 18:54. UV: Moderate; Pollution: Low; No pollen data.
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Friday 30 September. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Cloudy changing to light rain in the afternoon. Sunrise: 07:08; Sunset: 18:52. UV: Low; Pollution: Low; No pollen data.
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Saturday 1 October. Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius. Partly cloudy changing to sunny intervals in the afternoon. Sunrise: 07:10; Sunset: 18:50. UV: Moderate; No pollen data.
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Sunday 2 October. Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Cloudy changing to sunny intervals by lunchtime. Sunrise: 07:11; Sunset: 18:48. UV: Moderate;
Six day forecast for Portelet Bay (Beach)
| Time | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
10% | 10% | 10% | 10% | 10% | 40% | 10% | 20% | 10% | 10% | 10% | 10% | 20% | 20% | 80% | 80% | 80% | 80% | 80% | 90% | 90% | 90% | 90% |
|
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
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14°
|
15°
|
15°
|
14°
|
14°
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14°
|
14°
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10° | 10° | 10° | 10° | 10° | 10° | 9° | 9° | 10° | 10° | 10° | 10° | 10° | 10° | 10° | 10° | 10° | 11° | 11° | 11° | 11° | 10° | 11° |
|
|
NW
24
|
NW
28
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NW
26
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NW
24
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NW
22
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NW
21
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WNW
26
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NW
26
|
NW
25
|
NW
24
|
WNW
26
|
WNW
25
|
WNW
26
|
WNW
26
|
W
25
|
WNW
23
|
WNW
23
|
WNW
21
|
WNW
21
|
NW
21
|
NW
21
|
NW
21
|
NW
20
|
|
|
29 | 34 | 31 | 29 | 28 | 26 | 32 | 32 | 31 | 31 | 33 | 32 | 33 | 33 | 31 | 29 | 29 | 26 | 27 | 26 | 27 | 26 | 25 |
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VG | VG | VG | VG | VG | G | VG | VG | VG | VG | VG | VG | VG | VG | G | M | G | G | G | M | G | M | G |
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Humidity
|
71% | 71% | 72% | 73% | 70% | 74% | 74% | 73% | 70% | 67% | 69% | 66% | 70% | 74% | 80% | 87% | 87% | 89% | 89% | 88% | 86% | 86% | 84% |
|
UV
|
- | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - |
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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60% | 90% | 90% | 10% | 40% | 30% | 40% | 40% | 10% |
|
|
14°
|
14°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
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|
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11° | 11° | 10° | 10° | 10° | 11° | 11° | 10° | 10° |
|
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NW
19
|
NW
17
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NW
18
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NNW
19
|
NNW
20
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NW
18
|
NW
18
|
NW
18
|
NW
20
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24 | 21 | 23 | 24 | 26 | 24 | 24 | 24 | 26 |
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G | G | G | VG | VG | VG | VG | VG | VG |
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Humidity
|
81% | 81% | 86% | 73% | 71% | 70% | 67% | 71% | 70% |
|
UV
|
- | - | - | - | 2 | 3 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
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10% | 10% | 10% | 30% | 30% | 10% | <5% | 10% |
|
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13°
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13°
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13°
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14°
|
15°
|
15°
|
15°
|
15°
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|
|
10° | 10° | 10° | 10° | 11° | 12° | 12° | 12° |
|
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NNW
19
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NNW
18
|
NNW
18
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NNW
20
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N
17
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N
17
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N
16
|
N
15
|
|
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26 | 25 | 25 | 27 | 23 | 23 | 22 | 20 |
|
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VG | VG | VG | VG | VG | VG | VG | VG |
|
Humidity
|
72% | 70% | 70% | 76% | 70% | 69% | 70% | 71% |
|
UV
|
- | - | - | 2 | 3 | 2 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
<5% | <5% | 10% | 10% | 20% | 60% | 90% | 80% |
|
|
15°
|
14°
|
14°
|
15°
|
16°
|
16°
|
15°
|
16°
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12° | 13° | 12° | 13° | 12° | 11° | 10° | 10° |
|
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N
12
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NNW
10
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WNW
10
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WSW
13
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SW
20
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SW
26
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SW
30
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WSW
31
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16 | 14 | 14 | 18 | 27 | 35 | 41 | 42 |
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VG | VG | VG | VG | VG | G | M | M |
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Humidity
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70% | 70% | 71% | 70% | 71% | 77% | 84% | 85% |
|
UV
|
- | - | - | 2 | 2 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
40% | 40% | 10% | 20% | 20% | 10% | 10% | 10% |
|
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
|
|
11° | 11° | 11° | 12° | 11° | 12° | 11° | 11° |
|
|
W
29
|
W
26
|
W
25
|
W
25
|
W
28
|
W
28
|
W
28
|
W
28
|
|
|
39 | 35 | 34 | 33 | 38 | 38 | 38 | 38 |
|
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M | VG | VG | VG | VG | VG | G | G |
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Humidity
|
87% | 84% | 84% | 83% | 85% | 84% | 86% | 86% |
|
UV
|
- | - | - | 2 | 3 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
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|
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|
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Chance of precipitation
|
10% | 10% | 10% | 10% | <5% | <5% | <5% | 10% |
|
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
|
|
11° | 12° | 13° | 13° | 13° | 13° | 13° | 13° |
|
|
W
28
|
W
27
|
WNW
21
|
WNW
20
|
WNW
18
|
WNW
18
|
W
17
|
WNW
16
|
|
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38 | 36 | 27 | 26 | 24 | 24 | 23 | 21 |
|
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VG | G | G | VG | VG | VG | VG | VG |
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Humidity
|
86% | 86% | 84% | 82% | 80% | 79% | 77% | 78% |
|
UV
|
- | - | - | 2 | 3 | 1 | - | - |
Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time.
This number shows the air temperature for the time period. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.
Feels like temperature considers other factors, such as wind speed and humidity. This gives you a better idea of how the temperature will actually feel at the time.
Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull.
Strong winds are shown in bold for speeds of 29 mph or more.
The arrow shows the direction the wind is blowing. The letters show the direction the wind is blowing from (on a standard 16-point compass).
The number represents the average wind speed expected at that time.
Visibility measures the distance at which an object can be clearly seen.
| VP (Very Poor) | Less than 1 km |
| P (Poor) | 1.1 km to 4 km |
| M (Medium) | 4.1 km to 10 km |
| G (Good) | 10.1 km to 20 km |
| VG (Very Good) | 20.1 km to 40 km |
| E (Excellent) | Greater than 40 km |
Humidity is the amount of water vapor in the air. If there is a lot of water vapour, the humidity will be high. The higher the percentage of humidity, the wetter it will feel outside.
UV exposure index and the protection required to help keep you safe:
No risk of UV - It’s safe to stay outside. Low - You can safely stay outside. Consider sunscreen in direct sunlight. Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. Sunscreen advised. High - Seek shade during midday hours, cover up and wear sunscreen. Very high - Spend time in the shade between 11am and 3pm. Shirt, sunscreen and hat are essential. Extreme - Avoid being outside during midday hours. Shirt, sunscreen and hat essential.
weather map
Portelet Bay (Beach)
Detailed weather map
Forecast for HH:mm, EEE
Updated HH:mm (ZZZZ) on EEE dd MMM yyyy
Loading map…
South West England weather forecast
Headline:
Feeling more autumnal with brisk winds and showers in places.
This Evening and Tonight:
A few showers continuing overnight, these most likely in coastal regions of north Devon and Cornwall. Brief showers are possible elsewhere but many places becoming dry with clear periods. Turning chilly and remaining blustery with strong winds on exposed coasts. Minimum temperature 7 °C.
Tuesday:
Another cool and breezy day with sunny spells and a chance of showers. More general rain may develop across Cornwall and west Devon. Possibly very windy in west Cornwall later. Maximum temperature 17 °C.
Outlook for Wednesday to Friday:
Drier on Wednesday and Thursday with winds easing but staying changeable with some showers. Cold nights but turning slightly warmer by day. Heavy rain and strengthening winds arriving on Friday.
Updated:
UK long range weather forecast
We are likely to see an unsettled start to October with low pressure to the north of the UK. This would bring a mixture of sunny spells and showers or longer periods of rain. Showers are likely to be heaviest and most frequent across the north and whilst southern and eastern areas are likely to see some rain at times, these areas likely seeing the best of the drier conditions. Widely windy with a risk of gales at times, most probably across the north and northwest. We may then see a shift towards more settled weather later on in the period with drier conditions becoming more prevalent, especially in the south. Temperatures likely to be close to average throughout or maybe slightly above average by the end of the period.
Updated:
Confidence is low through this period, but the most likely scenario is for drier and more settled conditions. Some periods of wetter weather remain likely, these most probable in the northwest, but also possibly spreading further south at times. Temperatures most likely to be near normal or slightly above normal.
Updated:
